Involved in pre-mRNA splicing. This protein is associated with snRNP U2. It binds stem loop IV of U2 snRNA only in presence of the U2A' protein.
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Protein Aliases: small nuclear ribonucleoprotein polypeptide B; SNRPB2; U2 small nuclear ribonucleoprotein B''; U2 snRNP B''
Gene Aliases: Msl1; SNRPB2; U2B''
UniProt ID: (Human) P08579
Entrez Gene ID: (Human) 6629